finish_page_dir()
public
Fixes the page_dir to be relative to the root_dir and adds the page_dir to
the files list.
# File lib/rdoc/options.rb, line 542
def finish_page_dir
return unless @page_dir
@files << @page_dir.to_s
page_dir = @page_dir.expand_path.relative_path_from @root
@page_dir = page_dir
end